professional

"professional occupations include medicine and the law and teaching";

"the professional man or woman possesses distinctive qualifications"; "began her professional career after the Olympics"; "professional theater"; "professional football"; "a professional cook"; "professional actors and athletes";

"professional organizations"; "a professional field such as law";

"professional conduct"; "professional ethics"; "a thoroughly professional performance";

"we need professional advice"; "professional training"; "professional equipment for his new office";